Index: docs/internals/contributing/writing-documentation.txt
===================================================================
--- docs/internals/contributing/writing-documentation.txt (revision 17756)
+++ docs/internals/contributing/writing-documentation.txt (working copy)
@@ -311,3 +311,13 @@
(that's a tilde) to get just the "last bit" of that path. So
``:class:`~django.contrib.contenttypes.models.ContentType``` will just
display a link with the title "ContentType".
+
+.. _getting-the-documentation-code:
+
+Getting the documentation code
+------------------------------
+To get started improving or writing documentation,
+:doc:`check out and install the Subversion ("trunk") version of Django
+`. Documentation is usually only revised in trunk because
+:doc:`documentation is frozen for existing releases
+`.